| Serie 1 |
| León Rogers Tornero | San José de Chicureo | 7 | 8.63 | 2 q |
| Gaspar Alonso Trujillo Mendoza | Calasanz | 6 | 8.69 | 3 q |
| Salvador José Hernandez Garrido | Verbo Divino - Chicureo | 3 | 9.06 | 7 q |
| Facundo Andres Prado Alvarez | Internacional SEK | 2 | 9.16 | 10 |
| Fernando Javier Barria Paez | The Mayflower School | 4 | 9.16 | 11 |
| Gaspar Ahumada Miranda | San Francisco Javier de Huechuraba | 5 | 9.23 | 14 |
| Santiago Ibacache Valenzuela | Lincoln College Huechuraba | 1 | 9.24 | 15 |
| Serie 2 |
| Rafael Cardone De Rodt | San José de Chicureo | 5 | 8.99 | 5 q |
| Martín Corti Gómez | San Francisco Javier de Huechuraba | 7 | 9.05 | 6 q |
| Raimundo Quiroz Miranda | Calasanz | 1 | 9.19 | 12 |
| Clemente Miguel Martinez Jaramillo | The Mayflower School | 2 | 9.38 | 17 |
| Bastian Ignacio Segovia Toro | Lincoln College Huechuraba | 3 | 9.73 | 18 |
| Agustin Haddad Fontecilla | Alianza Francesa | 8 | 9.81 | 19 |
| Serie 3 |
| Benjamin Valdes Menache | San José de Chicureo | 7 | 8.16 | 1 q |
| Gabriel Baeza Fuenzalida | Liceo Salesiano Camilo Ortúzar Montt | 6 | 8.77 | 4 q |
| Ignacio Tamargo Lecourant | Las Condes | 1 | 9.08 | 8 q |
| Facundo Velásquez Díaz | Mariano de Schoenstatt | 5 | 9.09 | 9 |
| Santiago Moraga Cortéz | San Francisco Javier de Huechuraba | 8 | 9.22 | 13 |
| Simón Pedro Edwards Castillo | Calasanz | 3 | 9.31 | 16 |
